Can someone help me speed match my Bachmann Spectrum F7 A/B units?
The A unit goes much faster then the B and I can't seem to get how to achieve an even speed for both on my Zephyr. It has become a bit frustrating as I am new at this stuff and would appreciate any help.
Thanks
Art
David,
almost have them at the same speed, but the A unit stops before the B unit does.
How do get them to stop at the same time?
aet wrote: David,almost have them at the same speed, but the A unit stops before the B unit does.How do get them to stop at the same time?
Once you've got the running speeds matched up pretty well, you can use CV 3 and 4 to adjust the momentum settings to fine tune the starting and stopping of one engine to match the other. Increase the value in CV 4 for unit A a little and try it again, it will cause the A unit to 'coast' a little longer when coming to a stop.
It's always a bit of trial-and-error with speed matching, but if you take your time you can usually work it out so the engines run together very well.
BTW you don't have to use speed tables to speed-match two engines, usually using CV 2-5-6 for speed and CV 3-4 for momentum are all you need to adjust. I only use speed tables on engines with Soundtraxx decoders, since they don't use the speed CV's (2,5,6) like most decoders.